WED3DG728V-D1 White Electronic Designs 64MB- 8Mx72 SDRAM UNBUFFERED FEATURES DESCRIPTION n Burst Mode Operation n Auto and Self Refresh capability n LVTTL compatible inputs and outputs n Serial Presence Detect with EEPROM n Fully synchronous: All signals are registered on the positive edge of the system clock n Programmable Burst Lengths: 1, 2, 4, 8 or Full Page n 3.3V ± 0.3V Power Supply n 144 Pin SO-DIMM JEDEC The WED3DG728V is a 8Mx72 synchronous DRAM module which consists of nine 8Mx8 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSSOP package for Serial Presence Detect which are mounted on a 144 pin SO-DIMM multilayer FR4 Substrate. * This product is subject to change without notice. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN NAMES A0 – A11 Address Input (Multiplexed) FRONT PIN BACK PIN FRONT PIN BACK BA0-1 Select Bank 49 DQ13 50 DQ45 97 DQ22 98 DQ54 DQ32 51 DQ14 52 DQ46 99 DQ23 100 DQ55 DQ0-63 Data Input/Output 6 DQ33 53 DQ15 54 DQ47 101 VCC 102 DQ55 CB0-7 Check Bit (Data-In/Data-Out) DQ2 8 DQ34 55 VSS 56 VSS 103 A6 104 A7 9 DQ3 10 DQ35 57 CB0 58 CB4 105 A8 106 BA0 11 VCC 12 VCC 59 CB1 60 CB5 107 VSS 108 VSS 13 DQ4 14 DQ36 61 CLK0 62 CKE0 109 A9 110 BA1 15 DQ5 16 DQ37 63 VCC 64 VCC 111 A10 112 17 DQ6 18 DQ38 65 RAS# 66 CAS# 113 VCC 114 19 DQ7 20 DQ39 67 WE# 68 NC 115 DQMB2 116 DQMB6 21 VSS 22 VSS 69 SO# 70 NC 23 DQMB0 24 DQMB4 71 NC 72 25 DQMB1 26 DQMB5 73 NC 27 VCC 28 VCC 75 29 A0 30 A3 31 A1 32 33 A2 34 35 VSS 37 DQ8 39 PIN FRONT PIN BACK PIN 1 VSS 2 VSS 3 DQ0 4 5 DQ1 7 PINOUT CLK0,CLK1 Clock Input CKE0 Clock Enable Input CS0# Chip Select Input RAS# Row Address Strobe A11 CAS# Column Address Strobe VCC WE# Write Enable DQMB0-7 DQM 117 DQMB3 118 DQMB7 VCC Power Supply (3.3V) NC 119 VSS 120 VSS VSS Ground 74 CLK1 121 DQ24 122 DQ56 VSS 76 VSS 123 DQ25 124 DQ57 SDA Serial Data I/O 77 CB2 78 CB6 125 DQ26 126 DQ58 SCL Serial Clock A4 79 CB3 80 CB7 127 DQ27 128 DQ59 DNU Do Not Use A5 81 VCC 82 VCC 129 VCC 130 VCC NC No Connect 36 VSS 83 DQ16 84 DQ48 131 DQ28 132 DQ60 38 DQ40 85 DQ17 86 DQ49 133 DQ29 134 DQ61 DQ9 40 DQ41 87 DQ18 88 DQ50 135 DQ30 136 DQ62 41 DQ10 42 DQ42 89 DQ19 90 DQ51 137 DQ31 138 DQ63 43 DQ11 44 DQ43 91 VSS 92 139 VSS 140 VSS 45 VCC 46 VCC 93 DQ20 94 DQ52 141 SDA 142 SCL 47 DQ12 48 DQ44 95 DQ21 96 DQ53 143 VCC 144 VCC VSS White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 1 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG728V-D1 White Electronic Designs FUNCTIONAL BLOCK DIAGRAM WE# S0# DQMB4 DQMB0 DQM DQ0 DQ1 I/O 0 I/O 1 DQ2 I/O 2 DQ3 DQ4 DQ5 I/O 3 I/O 4 DQ6 I/O 6 I/O 7 DQ7 S0# DQM WE# D0 I/O 5 DQ32 DQ33 I/O 0 I/O 1 DQ34 I/O 2 DQ35 DQ36 DQ37 I/O 3 I/O 4 DQ38 I/O 6 DQ39 I/O 7 DQ40 DQ41 I/O 0 I/O 1 DQ42 I/O 2 I/O 3 I/O 4 S0# WE# D5 I/O 5 DQMB5 DQMB1 DQM S0# DQM WE# DQ8 DQ9 I/O 0 I/O 1 DQ10 I/O 2 DQ11 DQ12 DQ13 I/O 3 I/O 4 I/O 5 DQ43 DQ44 DQ45 DQ14 I/O 6 DQ46 I/O 6 I/O 7 DQ47 I/O 7 DQ48 DQ49 I/O 0 I/O 1 DQ50 I/O 2 I/O 3 I/O 4 DQ15 D1 S0# WE# D6 I/O 5 DQMB6 DQM S0# WE# S0# DQM CB0 CB1 I/O 0 I/O 1 CB2 I/O 2 CB3 CB4 CB5 I/O 3 I/O 4 I/O 5 DQ51 DQ52 DQ53 CB6 I/O 6 DQ54 I/O 6 CB7 I/O 7 DQ55 I/O 7 DQ56 DQ57 I/O 0 I/O 1 DQ58 I/O 2 I/O 3 I/O 4 D2 WE# D7 I/O 5 DQMB7 DQMB2 DQM S0# WE# DQM DQ16 DQ17 I/O 0 I/O 1 DQ18 DQ19 DQ20 DQ21 I/O 2 I/O 5 DQ59 DQ60 DQ61 DQ22 I/O 6 DQ62 I/O 6 DQ23 I/O 7 DQ63 I/O 7 DQ24 DQ25 I/O 0 I/O 1 DQ26 I/O 2 DQ27 DQ28 DQ29 I/O 3 I/O 4 DQ30 I/O 6 DQ31 I/O 7 I/O 3 I/O 4 D3 S0# WE# D8 I/O 5 DQMB3 DQM RAS# CAS# CKEO BA0-BA1 A0-A11 S0# WE# NOTE: DQ wiring may differ than described in this drawing, however DQ/DQMB/CKE/S relationships must be maintianed as shown. D4 I/O 5 *CLOCK WIRING CLOCK INPUT *CLK0 *CLK1 RAS#: SDRAM DO-D8 CAS#: SDRAM DO-D8 CKE: SDRAM DO-D8 SERIAL PD BA0-BA1:SDRAM D0-8 A0-A11: SDRAM D0-D8 VCC D0-D8 VSS D0-D8 SDRAMS 4 0R 5 SDRAMS 4 0R 5 SDRAMS SCL A0 A1 A2 SDA White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 2 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG728V-D1 White Electronic Designs ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Units Voltage on any pin relative to VSS VIN, VOUT -1.0 ~ 4.6 V Voltage on VCC supply relative to VSS VCC, VCCQ -1.0 ~ 4.6 V TSTG -55 ~ +150 °C Storage Temperature Power Dissipation PD 9 W Short Circuit Current IOS 50 mA Note: Permanent device damage may occur if “ABSOLUTE MAXIMUM RATINGS” are exceeded. Functional operation should be restricted to recommended operating condition. Exposure to higher than recommended voltage for extended periods of time could affect device reliability. RECOMMENDED DC OPERATING CONDITIONS (Voltage Referenced to: VSS = 0V, TA = 0°C ≤ +70°C) Parameter Symbol Min Typ Max Unit Supply Voltage VCC 3.0 3.3 3.6 V Note Input High Voltage VIH 2.0 3.0 VCCQ+0.3 V 1 Input Low Voltage VIL -0.3 — 0.8 V 2 Output High Voltage VOH 2.4 — — V IOH= -2mA Output Low Voltage VOL — — 0.4 V IOL= -2mA Input Leakage Current ILI -10 — 10 µA 3 Note: 1. VIH (max)= 5.6V AC. The overshoot voltage duration is ≤ 3ns. 2. VIL (min)= -2.0V AC. The undershoot voltage duration is ≤ 3ns. 3. Any input 0V ≤ VIN ≤ VCCQ Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs. CAPACITANCE (TA ≤ 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV) Parameter Symbol Max Unit Input Capacitance (A0-A12) CIN1 15 pF Input Capacitance (RAS#,CAS#,WE#) CIN2 15 pF Input Capacitance (CKE0) CIN3 15 pF Input Capacitance (CLK0) CIN4 20 pF Input Capacitance (CS0#, CS2#) CIN5 15 pF Input Capacitance (DQM0-DQM7) CIN6 15 pF Input Capacitance (BA0-BA1) CIN7 15 pF Data Input/Output Capacitance (DQ0-DQ63) COUT 22 pF Data Input/Output Capacitance (CB0-7) COUT1 22 pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 3 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG728V-D1 White Electronic Designs OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, TA = 0°C to +70°C) Version Parameter Symbol Conditions 133 100 Units Note 1,080 900 mA 1 Operating Current (One bank active) ICC1 Burst Length = 1 tRC ≥ tRC (min) IOL = 0mA Precharge Standby Current in Power Down Mode ICC2P CKE ≤ VIL(max), tCC = 10ns 20 ICC2PS CKE & CLK ≤ VIL(max), tCC = ∞ 20 ICC2N CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns Input signals are charged one time during 20 180 Icc2NS CKE ≥ VIH(min), CLK ≤VIL(max), tCC = ∞ Input signals are stable 90 ICC3P CKE ≥ VIL(max), tCC = 10ns 50 ICC3PS CKE & CLK ≤ VIL(max), tCC = ∞ 50 ICC3N CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are changed one time during 20ns 550 mA ICC3NS CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable 270 mA ICC4 Io = mA Page burst 4 Banks activated tCCD = 2CLK 1,350 1,170 mA 1 1,800 1,710 mA 2 Precharge Standby Current in Non-Power Down Mode Active Standby Current in Power-Down Mode Active Standby Current in Non-Power Down Mode Operating Current (Burst mode) Refresh Current ICC5 tRC ≥ tRC(min) Self Refresh Current ICC6 CKE ≤ 0.2V mA mA 20 mA mA Notes: 1. Measured with outputs open. 2. Refresh period is 64ms. 3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCCQ/VSSQ) White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 4 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG728V-D1 White Electronic Designs Ordering Information Speed CAS Latency WED3DG728V10D1 100MHz CL=2 WED3DG728V7D1 133MHz CL=2 WED3DG728V75D1 133MHz CL=3 Note: For industrial temperature range product, add an "I" to the end of the part number. PACKAGE DIMENSIONS ��������� ��������� ��������� ���� ���� ����� ���� ���� ����� ��������� ���� ��������� ��������� ���� ������ ALL DIMENSIONS ARE IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 5 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com